<%--
  Created by IntelliJ IDEA.
  User: Reimu
  Date: 2022/5/22
  Time: 14:24
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<form action="CalCircle" method="post">
    <p>输入半径：<input type="text" name="radius"></p>
    <input type="submit" value="提交">
</form>
</body>
</html>
